https://community.element14.com/products/manufacturers/tt-electronics/TT Electronics is a global provider of engineered electronics for performance critical applications. With nearly 5,000 staff members operating from 28 key locations around the world, TT designs, manufactures and delivers a wide range of electronic componenen-USTelligent Community 12https://community.element14.com/products/manufacturers/tt-electronics/b/blogThu, 30 Apr 2026 21:05:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:db719426-90b5-4266-9542-2eb4516f7ab2https://community.element14.com/products/manufacturers/tt-electronics/b/blog/posts/adaptable-optical-sensors-vs-fixed-legacy-systems-a-guide-for-industrial-engineersThu, 30 Apr 2026 19:42:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:695a201a-34bb-4750-a65b-a5815b6c6be1william.walshIn the landscape of industrial automation, the debate between maintaining fixed legacy systems and migrating to adaptable optical sensors is not just about technology; it is about operational philosophy. For decades, fixed optical systems—standard logic photocells, basic LED emitters, and fixed-gain optoisolators—have been the backbone of manufacturing. They are reliable, understood, and inexpensive. However, the shift toward Industry 4.0 has exposed the limitations of these rigid systems. Engineers are now tasked with integrating components that can self-calibrate, communicate status, and adapt to environmental degradation. This article provides a transparent comparison between fixed legacy systems and modern adaptable optical sensors, covering Fibre Optics, Optoisolators, Photologic assemblies, and VCSEL technologies. The Core Definition: Fixed vs. Adaptable Fixed Legacy Systems A fixed system operates on binary logic or set parameters defined at the hardware level. Once installed, its behaviour is static. For example, a standard infrared emitter paired with a phototransistor will trigger a signal when a light beam is broken. If dust accumulates on the lens, the signal degrades until the system fails. To fix it, a technician must physically clean the sensor or adjust a potentiometer. Adaptable Optical Sensors Adaptable sensors utilise intelligent circuitry and superior materials (like VCSELs) to adjust to their environment. A programmable Photologic sensor, for instance, might dynamically adjust its hysteresis threshold to account for signal drift caused by temperature changes or debris. These systems prioritise data continuity and predictive maintenance over simple binary switching. The Argument for Fixed Legacy Systems We must acknowledge why legacy systems remain prevalent. They are not without merit. Lower Upfront BOM Cost – A standard fixed-gain optoisolator or a simple LED-based interrupter is significantly cheaper than a programmable alternative. Simplicity of Replacement – If a fixed sensor fails, you pull it out and plug in an identical part. There is no firmware to update and no calibration software to run. Zero Latency – Purely analogue fixed systems often have faster response times than smart sensors that require processing cycles to interpret data. Technology Comparison: Fixed vs. Adaptable Optical Sensors 1. VCSEL vs. Standard LED Emitters Legacy systems rely on standard LEDs. While functional, they suffer from beam divergence and lower power efficiency. Adaptable systems utilise Vertical-Cavity Surface-Emitting Lasers (VCSELs). VCSELs offer a narrow, coherent beam that requires less power and provides higher accuracy for position sensing. In adaptable systems, the VCSEL current can be modulated dynamically to maintain constant output power as the component ages. 2. Photologic® vs. Discrete Components A fixed system usually employs a discrete photodiode and a separate amplifier circuit. Adaptable Photologic sensors integrate the sensor, amplifier, and logic gate into a single package. The benefit is not just space; it is consistency. These adaptable units often feature internal voltage regulation and temperature compensation that fixed discrete circuits lack. 3. Flexible Fibre Optics vs. Hardwired Connections In high-EMI environments, copper is a liability. While legacy systems try to shield copper, adaptable systems switch to fibre optics. Modern industrial fibre optic links are adaptable because they provide complete electrical isolation and can be routed through hazardous areas where electrical sparks are prohibited. They are immune to the electromagnetic interference that plagues fixed copper legacy systems. Decision Matrix: When to Switch to Adaptable Optical Sensors? Engineers should consider migrating to adaptable sensors if: Environmental variation is high – Varying light levels, dust, or temperature swings require sensors that can auto-calibrate. Downtime is expensive – If stopping a line to wipe a sensor lens costs thousands of pounds, an adaptable sensor that compensates for occlusion is worth the investment. Precision is critical – If you are moving from simple object detection to precise position sensing, VCSEL-based adaptable systems are required. Conclusion Fixed legacy systems are not obsolete, but they are becoming niche. For simple, cost-constrained applications where downtime is manageable, they remain a valid choice. However, for industrial engineers building systems for longevity, reliability, and Industry 4.0 integration, adaptable optical sensors offer a superior return on investment despite the higher upfront cost. By eliminating manual calibration and reducing failure points related to environmental stress, adaptable sensors future-proof manufacturing lines. Written by TT Electronicsindustrialsensorstt electronicssensors_groupautomationhttps://community.element14.com/products/manufacturers/tt-electronics/w/documents/28067/optoelectronics-high-reliability-capabilitiesWed, 15 Mar 2023 15:40:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:3a1bf512-990f-4ec3-9bea-e9e4dc6b7d5djulia.hintz18https://www.ttelectronics.com/TTElectronics/media/ProductFiles/Brochure/Hi-Rel-Opto-Brochure.pdfhttps://community.element14.com/products/manufacturers/tt-electronics/w/documentsWed, 15 Mar 2023 15:40:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:e86d44f9-4cf3-492e-b0b2-fe4220ee01f9https://community.element14.com/products/manufacturers/tt-electronics/w/documents/28066/resistors-selection-guideWed, 15 Mar 2023 15:39:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:3e9446e1-7ed2-4b82-bdea-ec0652fa828fjulia.hintz18https://www.ttelectronics.com/TTElectronics/media/ProductFiles/Brochure/Shortform-Catalogue.pdfhttps://community.element14.com/products/manufacturers/tt-electronics/w/documents/28064/optoelectronics-product-selection-guideTue, 14 Mar 2023 21:25:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:c696f8fa-f694-40bb-8d8d-f393551c2250julia.hintz18https://www.ttelectronics.com/getmedia/c6617676-3680-41f0-b276-7bd48efeb201/Optoelectronics-Product-Selection-Guide.pdfhttps://community.element14.com/products/manufacturers/tt-electronics/m/managed-videos/147328Tue, 14 Mar 2023 21:22:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:07aa1df8-bb46-4eff-ab2d-a9c5ade4cc89julia.hintz18Take a look inside our world-class optoelectronic manufacturing facility in Juarez, Mexico where our energetic team leads the pack in operational excellence and customer service.https://community.element14.com/products/manufacturers/tt-electronics/w/setup/21006/tt-electronics-is-an-industry-leading-provider-of-optoelectronic-sensorsTue, 14 Mar 2023 21:21:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:97888a42-b83b-4ac7-be7a-c841f56b1659julia.hintz18www.youtube.com/watchsensorsoptoelectronicshttps://community.element14.com/products/manufacturers/tt-electronics/w/setup/21008/main-group-widgetTue, 14 Mar 2023 21:21:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:26181be7-fb33-4f11-8ac4-dd17b947f41bjulia.hintz18TT Electronics offers one of the industry's most extensive portfolios of sensors and passive components. Explore our product portfolio below. OPTOELECTRONICS POTENTIOMETERS FIXED RESISTORS ENCODERSsensorspotentiometersresistorspassive componentsoptoelectronicshttps://community.element14.com/products/manufacturers/tt-electronics/w/setupTue, 14 Mar 2023 21:21:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:e8786646-fd5f-4403-bf84-d0d3e696f567https://community.element14.com/products/manufacturers/tt-electronics/w/setup/21007/tt-electronicsTue, 14 Mar 2023 21:15:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:f79e299f-b70a-4420-b1fd-8bb87fff4d66julia.hintz18TT Electronics is a global provider of engineered technologies for performance critical applications. www.ttelectronics.comsensorsresistorstt electronicspassive componentspower managementhttps://community.element14.com/products/manufacturers/tt-electronics/m/managed-videosTue, 14 Mar 2023 20:48:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:d4acb30d-020e-418e-afb7-9c1634f85882https://community.element14.com/products/manufacturers/tt-electronics/w/setupWed, 13 Oct 2021 10:16:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:06a08361-2b3d-469a-a784-932900845ef1MattThis document area is where you can create or edit the items that are used to populate your group's home page. The "Main Group Widget" document stores the content that displays in the main top/middle of the page The "Group Intro Widget Content" is where you can upload your logo, and insert a statement about your company, who you are, what you do, etc. The "Featured Video Widget" is where you can insert a video file (YouTube, or other) that will appear on your home page - it can play in situ or - depending on the video type you insert, like YouTube for example - visitors can also click to view the video in full screen, or go to the main video display page. Any additional content you create here, if you click to "feature" it will appear in the featured content carousel directly below your main content section. There is an example Featured Content item here you can edit, copy, etc.https://community.element14.com/products/manufacturers/tt-electronics/w/polls/20553/apple-iphone-4-face-timeMon, 11 Oct 2021 15:00:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:7275f389-d603-4c3d-b793-d00f972749b4Former MemberThe Appple iPhone 4 has been hailed as a revolutionary step in mobile communications. By integrating a form of video conferencing known as Face Time into the iPhone 4, Apple has designed the phone to allow users to make video teleconferencing on-the-go. Apple hopes that this will be the next big thing in mobile communications. Do you believe this will be the next step in having a virtual presence around the world for businesses? And if so, do you expect that it will become main stream in five years time?https://community.element14.com/products/manufacturers/tt-electronics/w/pollsMon, 11 Oct 2021 15:00:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:b1e1e701-19a2-435d-8131-eea960353a37https://community.element14.com/products/manufacturers/tt-electronics/w/documents/9455/defence-products---documentationFri, 08 Oct 2021 04:46:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:9e1e5661-0526-4990-b310-2f72eac16cffdoctorcdfBrochures Land Based Defence Vehicles Brochure Latest Products D 38999 Series III Connectors javascript:; Buy Now - Europe Asiacomponentstt_electronics38999ttab_connectorsmil-dtl-38999defenceelectronicsd38999mil-dtl-38999_series_iiihttps://community.element14.com/products/manufacturers/tt-electronics/w/documents/7771/tt-electronics-develops-advanced-modules-for-in-wheel-electric-driveThu, 07 Oct 2021 08:33:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:d2c36f31-7468-4533-b515-82bf2ed6e8d3ophilpottTT electronics Components Division today announces that it has secured a contract to develop custom micro inverter/power electronic modules for the hybrid and electric vehicle (HEV) market. The contract with UK based Protean Electric will see TT electronics AB Mikroelektronik design and manufacture these complex modules at its advanced factory in Salzburg, Austria. "The HEV industry is growing at a rapid pace and is set to become a multi-billion dollar market," commented Robert Rehrl, Sales Director at TT electronics AB Mikroelektronik. "The development of the custom modules for Protean is just one example of how our investment in R&D for this burgeoning market has added value to our customer's design." Deciding on the best fit for the customer was the key to securing the contract according to Dr Steve Jones Technical Director at TT electronics Semelab. "The initial enquiry was received through TT electronics Semelab in the UK. However, across the Components Division, we have a number of capabilities that enable us to bring value and expertise to this market. Semelab and AB Mikroelektronic worked jointly with the customer, presenting a comprehensive portfolio of potential solutions, to determine the best approach for the customer's needs and, in coordination with the customer, decided that AB Mikroelektronik had the most appropriate fit." The new micro inverter/power electronic module is a rugged high reliability device designed to withstand water and dirt ingress and be resistant to shock and vibration. Each of Protean's in-wheel motors contains multiple drive modules enabling vehicle performance that matches the performance of traditional 2-wheel and 4-wheel drive vehicles. "The knowledge, expertise, manufacturing and design support available to us through TT electronics AB Mikroelektronik and TT electronics Semelab will help us to bring to market an advanced in-wheel motor that is already finding traction with major vehicle manufacturers for both hybrid and full electric vehicles," said Dr. Gerry Boast, V-P Engineering at Protean Electric. The award from Protean adds to a string of recent wins that TT electronics Components Division has secured in the alternative energy and the HEV industries. "In recent months, we have won several major projects in North America and Europe in the areas of solar energy, fuel cells, and HEV with several more projects currently underway. These wins were made possible through unique capability and know-how. We expect to continue investing in this important area to expand on our success", said Billal Hammoud, Divisional Chief Executive for the Components Divisionvehiclessp:tthevhybridhttps://community.element14.com/products/manufacturers/tt-electronics/w/documents/7763/tt-electronics-receives-innovation-awardThu, 07 Oct 2021 08:32:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:6a582085-3a37-4505-88a7-c1f1789d4b77ophilpottAB Mikroelektronik, a subsidiary of TT electronics’ Components Division, has been presented with the Salzburg Award for Innovation in the Large Enterprises category for its outstanding work in the field of drive modules for hybrid and electric (HEV) vehicles. The company will now go forward for a national Austrian innovation award in 2011. AB Mikroelektronik , a specialist in power electronics, impressed the jury with its innovative control unit for electric vehicles. A unit offering exceptionally high energy density and integrating safety features and a DC-DC converter was realised in a volume of just 3250cc. The winning design is a unit constructed for a KTM motorbike being launched early 2011. The compact control unit converts the high voltage of 300V for the motor control to 12V for controlling smaller electronic devices like horn, indicators and lights. AB Mikroelektronik and TT electronics Components Division also recently won a major contract to develop custom micro inverter/power electronic modules for Protean Electric’s in-wheel motors, the most advanced electric drive system for hybrid and battery electric vehicles. According to the jury, “AB Mikroelektronik used innovative technical design to address key challenges facing the implementation of cleaner, more fuel-efficient transport in the 21 st century. The outstanding engineering performance achieved is particularly remarkable in the context of the tight space constraints and the challenging thermal and mechanical environment of this application.” emphasised the jury. Robert Rehrl, Sales Director at TT electronics AB Mikroelektronik said, “We are delighted with the award and look forward to the national awards in 2011.” The award is granted by the Salzburg Economic Chamber for technical innovation in three categories: small, medium and large businesses, as well as to dynamic start-up companies. Peter Genser, vice president of the Salzburg Economic Chamber sees the award as a vehicle for innovation and investment: “We have often chosen winners that have justified the award with great success in the market. This award is a positive early detection system for top performance,” he said.vehiclessp:tthevhybridinnovation